Headphones



FIG. 1 is a top rear perspective view of headphones showing the new design;

FIG. 2 is bottom front perspective view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a front view thereof;

FIG. 5 is a left side view thereof;

FIG. 6 is a right side view thereof;

FIG. 7 is a top view thereof; and,

FIG. 8 is a bottom view thereof.

The broken lines shown in the drawings illustrate portions of the headphones that form no part of the claimed design. 

CLAIM The ornamental design for headphones, as shown and described. 